Growing community of inventors

Stuttgart, Germany

Roger Kollmeier

Average Co-Inventor Count = 7.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Roger Kollmeier ↔ Hubert Heck (1 patent)Roger Kollmeier ↔ Paul Schwarzhans (1 patent)Roger Kollmeier ↔ Frank Birkwald (1 patent)Roger Kollmeier ↔ Kai Vohwinkel (1 patent)Roger Kollmeier ↔ Christian Ziegler (1 patent)Roger Kollmeier ↔ Aksel Maier (1 patent)Roger Kollmeier ↔ Niels Worringen (0 patent)Roger Kollmeier ↔ Peter Hölzle (0 patent)Roger KollmeierRoger Kollmeier (1 patent)Hubert HeckHubert Heck (9 patents)Paul SchwarzhansPaul Schwarzhans (5 patents)Frank BirkwaldFrank Birkwald (4 patents)Kai VohwinkelKai Vohwinkel (3 patents)Christian ZieglerChristian Ziegler (1 patent)Aksel MaierAksel Maier (1 patent)Niels WorringenNiels Worringen (0 patent)Peter HölzlePeter Hölzle (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Thyssenkrupp Presta Ag (1 from 419 patents)

2. Thyssenkrupp Presta Steertec Gmbh (9 patents)


1 patent:

1. 9429221 - Steering pinion for a steering system and method for the production thereof

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as of
12/20/2025
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